During March 2026, this developer focused on backend stability and dependency management across the pentaho-hadoop-shims and maven-parent-poms repositories. They resolved a compatibility issue by reverting a Hadoop-Azure upgrade, restoring stable operation for data processing pipelines. In parallel, they upgraded the Jackson library within Maven POM files to enhance JSON processing while maintaining compatibility with existing features. Their work demonstrated proficiency in Java, Maven, and XML, emphasizing careful cross-repository coordination and documentation to ensure traceability. By addressing both feature enhancement and bug resolution, they contributed to more robust backend infrastructure and reduced fragility in the upgrade process for critical dependencies.